From fbd4076941911605bf2755ad64c067410d998a80 Mon Sep 17 00:00:00 2001
From: Jonas Devlieghere <jonas@devlieghere.com>
Date: Wed, 11 Dec 2019 10:43:31 -0800
Subject: [PATCH] [StringRef] Test all default characters in unit test

The default characters for trim, ltrim and rtrim are " \t\n\v\f\r" but
only spaces were tested. Test that the others are trimmed as well.
---
 unittests/ADT/StringRefTest.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/unittests/ADT/StringRefTest.cpp b/unittests/ADT/StringRefTest.cpp
index c37ecf36b63..2e5159dde1c 100644
--- a/unittests/ADT/StringRefTest.cpp
+++ b/unittests/ADT/StringRefTest.cpp
@@ -324,16 +324,20 @@ TEST(StringRefTest, Trim) {
   StringRef Str0("hello");
   StringRef Str1(" hello ");
   StringRef Str2("  hello  ");
+  StringRef Str3("\t\n\v\f\r  hello  \t\n\v\f\r");
 
   EXPECT_EQ(StringRef("hello"), Str0.rtrim());
   EXPECT_EQ(StringRef(" hello"), Str1.rtrim());
   EXPECT_EQ(StringRef("  hello"), Str2.rtrim());
+  EXPECT_EQ(StringRef("\t\n\v\f\r  hello"), Str3.rtrim());
   EXPECT_EQ(StringRef("hello"), Str0.ltrim());
   EXPECT_EQ(StringRef("hello "), Str1.ltrim());
   EXPECT_EQ(StringRef("hello  "), Str2.ltrim());
+  EXPECT_EQ(StringRef("hello  \t\n\v\f\r"), Str3.ltrim());
   EXPECT_EQ(StringRef("hello"), Str0.trim());
   EXPECT_EQ(StringRef("hello"), Str1.trim());
   EXPECT_EQ(StringRef("hello"), Str2.trim());
+  EXPECT_EQ(StringRef("hello"), Str3.trim());
 
   EXPECT_EQ(StringRef("ello"), Str0.trim("hhhhhhhhhhh"));